A62B 19/02
Cartridges with absorbing substances for respiratory apparatus: with oxidising agents
Official title: with oxidising agents
A62B19/02 (Cartridges with absorbing substances for respiratory apparatus: with oxidising agents) appears on 16 US grants and 9 published applications in this corpus.
Search patents in A62B- Granted patents
- 16
- Published applications
- 9
- Assignees
- 19
- Inventors
- 32
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cartridge and breathing apparatus containing the same14 Nov 2023US 11,813,486 B2MSA Europe GmbH
- Personal protection device using monolithic activated carbons22 Feb 2022US 11,253,734 B2Carbon Tex Limited
- Portable air purifier15 May 2018US 9,968,809 B2Rekrix Co., Ltd.
- Advanced supported liquid membranes for carbon dioxide control in extravehicular activity applications2 Jun 2015US 9,044,566 B2Reaction Systems, LLC
- Method and apparatus for revitalizing exhaled air25 Nov 1997US 5,690,099 ALife Support Technologies, Inc.
- Compositions, methods, and articles comprising cocaine esterase for detoxifying an organophosphate-based agent10 Apr 2025US 2025/0114653 A1Four Winds Biotherapeutics, Inc.
- Respirator and air purification system30 Nov 2023US 2023/0381551 A1RHT Limited
- Systems for an anesthetic vaporizer gas mixer2 Nov 2023US 2023/0347098 A1GE Precision Healthcare LLC
- Apparatus for the treatment of air2 Jan 2020US 2020/0001234 A1Anglo Platinum Marketing Limited
- Cartridge and Breathing Apparatus Containing the Same11 Jul 2019US 2019/0209875 A1MSA Europe GmbH
Most cited
By later US patents
- Personal disposable emergency breathing system with dual air supply51US 5,394,867 ABrookdale International Systems, Inc. · 1995
- Filtering canister with deployable hood and mouthpiece48US 5,186,165 ABrookdale International Systems, Inc. · 1993
- Oxidation catalysts37US 4,639,432 AUop LLC · 1987
- Filtering canister with deployable hood and mouthpiece30US 5,315,987 ABrookdale International Systems, Inc. · 1994
- Filter comprising a catalyst on a substrate for purification of air24US 4,636,485 ADragerwerk Aktiengesellschaft · 1987